@article{Heringa_2004,
title={Toward More Useful In Vitro Toxicity Data with Measured Free Concentrations},
volume={38},
ISSN={1520-5851},
url={http://dx.doi.org/10.1021/es049285w},
DOI={10.1021/es049285w},
number={23},
journal={Environmental Science & Technology},
publisher={American Chemical Society (ACS)},
author={Heringa,
Minne B. and Schreurs,
Richard H. M. M. and Busser,
Frans and Van Der Saag,
Paul T. and Van Der Burg,
Bart and Hermens,
Joop L. M.},
year={2004},
month=oct,
pages={6263–6270} }